Flashing Panda 6 oz LED Light Up Flashing Martini Glass - Lot of 4 Cups Simple push-button on/off mode selection switch Made of high quality clear acrylic Comes with 3 LR44 (AG13, L1154) button-cell batteries preinstalled! Light-up mode: 7 different colors to choose from, plus a "Rainbow" mode. Capacity: around 6 oz; Height: 6.5 in.; Width: 4 in.; Weight: 2 1/2 oz.